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		Edge 520 software version 12.53 Beta
 as of January 18, 2018
 
 
	Code: 
 http://www8.garmin.com/support/download_details.jsp?id=9854
 
 Download (10.30 MB)
 
	Code: 
 http://download.garmin.com/software/Edge520_1253Beta.zip
 
 Changes made from version 12.50 to 12.53:
 - Fixed an issue that could cause a crash when connected to Vector 3 or Varia UT.
- Fixed an issue that could cause Bluetooth to periodically drop out when connected to a Varia Radar.
 
 
 
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		Edge 520 software version 12.60
 as of April 25, 2018
 
 
	Code: 
 http://www8.garmin.com/support/download_details.jsp?id=9270
 
 (13.87 MB)
 
	Code: 
 http://download.garmin.com/software/Edge520_1260.gcd
 
 Changes made from version 12.50 to 12.60:
 - Updated Connect IQ to version 2.4.4.
- Improved power zones UI.
- Fixed calibration prompt for SRM power meters.
- Improved Bluetooth connection stability when connected to a Varia Radar.
- Fixed an issue that could cause a crash when connected to Vector 3 or Varia UT.
 
 
 
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		Edge 520 software version 12.80
 as of September 26, 2018
 
 
	Code: 
 https://www8.garmin.com/support/download_details.jsp?id=9270
 
 (13.87 MB)
 
	Code: 
 http://download.garmin.com/software/Edge520_1280.gcd
 
 Changes made from version 12.60 to 12.80:
 - Updated Connect IQ to version 2.4.6.
- Improved device responsiveness for Varia Radar connectivity.
- Fixed issue causing device to be unable to acquire a GPS signal.
- Fixed issue causing heart rate and power zones to be reset when creating a custom activity profile.
- Fixed issue causing HR - %Max data field to not work with custom activity profiles.
- Made UI improvements to Incident Detection.
 
 
 
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		Edge 520 software version 12.81 Beta
 as of October 26, 2018
 
 
	Code: 
 https://www8.garmin.com/support/download_details.jsp?id=9854
 
 Download (10.01 MB)
 
	Code: 
 http://download.garmin.com/software/Edge520_1281Beta.zip
 
 Change History
 - Changes made from version 12.80 to 12.81:
- Fixes an issue causing custom fonts in Connect IQ apps to not display properly.
 
 
 
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		Edge 520 software version 12.90
 as of November 20, 2018
 
 
	Code: 
 https://www8.garmin.com/support/download_details.jsp?id=9270
 
 (13.87 MB)
 
	Code: 
 http://download.garmin.com/software/Edge520_1290.gcd
 
 Changes made from version 12.80 to 12.90:
 • Fixes an issue causing custom fonts in Connect IQ apps to not display properly.
 • Fixes a crash when syncing emergency contact data that has a long email address listed.
 • Fixes an issue with the Time/Distance Ahead data fields when doing a distance only target.
 
 
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		Edge 520 software version 12.92 Beta
 as of April 23, 2019
 
 Download (10.01 MB)
 
	Code: 
 http://download.garmin.com/software/Edge520_1292Beta.zip
 
 Changes made from version 12.90 to 12.92:
 • Updated battery capacity model to better reflect the remaining battery life of older batteries.
 • Added support for 12-speed shifting sensors.
 • Fixed data field issues when using a shifting system with no front derailleur.
 • Made several improvements to the Sensor Details UI for Vector 3 power meters.
 • Fixed issue causing some Connect IQ apps to not be able to make web requests through the phone connection.
 
 
	Code: 
 https://www8.garmin.com/support/download_details.jsp?id=9854
 
 
 
 
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		Edge 520 software version 12.93 Beta
 as of May 22, 2019
 
 Download (10.01 MB)
 
	Code: 
 http://download.garmin.com/software/Edge520_1293Beta.zip
 
 Changes made from version 12.92 to 12.93:
 • Added filter to eliminate unrealistic power spikes coming from the sensor.
 • Changes made from version 12.90 to 12.92:
 • Updated battery capacity model to better reflect the remaining battery life of older batteries.
 • Added support for 12-speed shifting sensors.
 • Fixed data field issues when using a shifting system with no front derailleur.
 • Made several improvements to the Sensor Details UI for Vector 3 power meters.
 • Fixed issue causing some Connect IQ apps to not be able to make web requests through the phone connection.
 
 
	Code: 
 https://www8.garmin.com/support/download_details.jsp?id=9854
 
 
 
 
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		Edge 520 software version 13.00
 as of June 5, 2019
 
 Use Garmin Express to install this file.
 
 (13.87 MB)
 
 Changes made from version 12.90 to 13.00:
 • Updated battery capacity model to better reflect the remaining battery life of older batteries.
 • Added support for 12-speed shifting sensors.
 • Fixed data field issues when using a shifting system with no front derailleur.
 • Made several improvements to the Sensor Details UI for Vector 3 power meters.
 • Fixed issue causing some Connect IQ apps to not be able to make web requests through the phone connection.
 • Added filter to eliminate unrealistic power spikes coming from the sensor.
 
	Code: 
 https://www8.garmin.com/support/download_details.jsp?id=9270
 http://download.garmin.com/software/Edge520_1300.gcd